pihole, wireguard, qbittorrent, sonarr/radarr, Jellyfin, syncthing, NFS.

I’ve considered Airsonic but I haven’t found a good client that looks good and doesn’t behave weirdly. I had one launch about 500 threads trying to transcode the same song which ate up my CPU time on my server resulting in a stern e-mailing from my host.

yt-dlp

It supports YouTube playlists also, so you can just give it a massive playlist and let it go